KR20040096201A - Baking machine and method of controlling the same - Google Patents

Abstract

PURPOSE: Provided are a baking machine and a method for controlling heater and kneading drum thereof which stop the operation of the heater and the kneading drums when the door is opened during the baking process, thereby reducing the accident, and cutting down the energy consumption. CONSTITUTION: The baking machine includes: a body, forming an oven chamber with a front opening; a door, opening and closing the front opening; a pair of kneading drums(12), arranged apart from each other inside the oven chamber, and winding a baking material bag with baking materials; a drum drive(36), driving the kneading drums(12); a heater(20), heating the baking materials; a heater operator(50), supplying the power to the heater(20); a door opening and closing detector(54); and a controller(56), controlling the drum drive(36) and the heater operator(50) so that the kneading drums(12) and the heater(20) are stopped when the door is opened according to the detection result of the door opening and closing detector(54).

Description

Baking Machine and Control Method {BAKING MACHINE AND METHOD OF CONTROLLING THE SAME}

The present invention relates to a bakery and a control method thereof, and more particularly, a bakery which can reduce the risk of safety accidents by stopping the operation of the heater and the dough drum when the door is opened during the bakery process, and save energy. It relates to a control method.

Household bakery is a home appliance that can provide fresh bread to users by completing the dough, fermentation and baking just by adding the ingredients. Among these bakers, the bakery disclosed in Korean Patent Laid-Open Publication No. 1988-7000638 has a pair of dough drums installed in parallel with each other on the lower part of the oven chamber and rotated forward and backward, and a baking container interposed between the dough drums. And a heater for heating the inside of the oven chamber, a barcode scanner, and the like.

The baker kneads the ingredients in the bakery material bag by winding both ends of the bakery bag containing the bread ingredients such as flour and water in a kneading drum, and then starting operation to move the bakery bag up and down for a predetermined time. .

Then, after the kneading process, the cutting device cuts the baking material bag so that only the kneaded material remains in the baking container. The heater then heats the interior of the oven chamber to ferment and bake the kneaded material for a period of time to make bread in the baking bin.

At this time, the series of baking process, the barcode attached to the baking material bag (including a baking program such as dough time, fermentation time, baking time, etc.) is read by the barcode scanner and transferred to the controller, Is performed by controlling the operation of equipment such as a dough drum and a heater in accordance with the read bar code information.

However, in the case of the baking process, when the child or the elderly are not aware of the baking process being performed and the door is opened, the baking is continued even after the initial baking time is passed because the heater is continuously driven and the heat in the oven chamber is leaked to the outside. This is not done, reducing efficiency and wasting energy. The dough may swell too much and touch the surrounding heater, causing the dough to burn.

In addition, in the case of children or the elderly, when the dough drum is rotated in the open state of the door and the heater does not recognize that there is a risk of a safety accident.

Accordingly, it is an object of the present invention to provide a bakery and a method of controlling the same, which reduce the risk of safety accidents by stopping the operation of the heater and the dough drum when the door is opened during the baking process.

1 is a perspective view of a baker according to the present invention,

FIG. 2 is an enlarged perspective view of the parts compartment region of FIG. 1;

3 is a control block diagram of a bakery machine according to the present invention;

4 is a control flowchart of the bakery machine according to the present invention.

* Explanation of symbols for the main parts of the drawings

1: bread machine 3: body

5: Door 7: Function Selection

9: display unit 10: oven chamber

12: dough drum 16: gripping part

18: dough holding member 20: heater

22: baking tray 24: barcode reader unit

30: parts room 36: drum drive unit

38: rotation axis 40: drum position detection unit

50: heater driving unit 52: timer unit

54: door opening and closing detection unit 56: control unit

According to the present invention, the main body forming the oven chamber having a front opening, the door for opening and closing the front opening, and the baking material bag is installed at a predetermined distance from each other in the oven chamber to accommodate the baking material bag wound up A baking machine having a pair of dough drums, a drum driving unit for driving the dough drums, a heater for heating the baking material, and a heater driving unit for supplying driving power to the heaters, detecting whether the door is opened or closed A door opening and closing detection unit; And a control unit for controlling the drum driving unit and the heater driving unit to stop the operation of the dough drum and the heater when it is determined that the door is opened as a result of the detection through the door opening and closing detecting unit. Is achieved.

Here, the display unit is further provided on one side of the main body; The control unit, if it is determined that the door is opened as a result of the detection through the door opening and closing detection unit, it is preferable to display the door is opened by the display unit to inform the user of the open state of the door.

And, if it is determined that the door is closed within a predetermined time after the opening of the door, the control unit preferably controls the heater driving unit and the drum driving unit to resume the operation of the heater and the dough drum to proceed with the remaining process. Do.

In addition, when it is determined that a predetermined time has elapsed since the opening of the door, the controller may display a door opening time elapsed message on the display unit to notify the user that the predetermined time has elapsed after opening the door. Do.

In addition, when it is determined that a predetermined time has elapsed since the opening of the door, the control unit controls the drum driving unit so that the dough drum is rotated in a direction in which the baking material bag wound on the dough drum is unwound. It is possible to end the process and return to the initial state.

On the other hand, according to another field of the present invention, the main body to form an oven chamber having a front opening, a door for opening and closing the front opening, and installed at a predetermined distance from each other in the oven chamber to accommodate the baking material A control method of a bakery machine comprising a pair of dough drums in which a baking material bag is wound, a drum driving part for driving the dough drum, a heater for heating the baking material, and a heater driving part for supplying driving power to the heater, Detecting whether the door is opened or closed; When it is determined that the door is opened as a result of the sensing, the control method of the bakery machine includes controlling the drum drive unit and the heater drive unit to stop the operation of the dough drum and the heater. .

Here, when it is determined that the door is opened, it is preferable to further include indicating that the door is opened, to inform the user of the open state of the door.

And, if it is determined that the door is closed within a predetermined time after the opening of the door, it is preferable to further include controlling the heater driving unit and the drum driving unit to resume the operation of the heater and the dough drum to proceed with the remaining process. Do.

In addition, when it is determined that a predetermined time has elapsed since the opening of the door, it is preferable to further include displaying a door opening time elapsed message to inform the user that the predetermined time has elapsed after opening the door.

In addition, when it is determined that a predetermined time has elapsed after the opening of the door, the baking operation further comprises controlling the drum driving unit so that the dough drum is rotated in a direction in which the baking material bag wound on the dough drum is unwound. It is possible to end the process and return to the initial state.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a bread maker according to the present invention. As shown in the figure, the bakery machine 1 according to the present invention is provided in front of the main body 3 and the main body 3 in which the rectangular cylindrical oven chamber 10 is formed, and in front of the oven chamber 10. A door 5 for opening and closing an opening, a function selection unit 7 for selecting an operation of the bread maker 1 provided at one front side of the main body 3, and displaying data such as an operation state of the bread maker 1. It has a display part 9.

The upper and lower kneading drums 12a and the lower kneading drums 12b, both ends of the baking material bag (not shown) containing the baking material, are wound on the inner upper and lower portions of the oven chamber 10 so as to be able to rotate forward and backward. The baking tray 22 is provided in the lower part of the oven chamber 10 between the upper kneading drum 12a and the lower kneading drum 12b.

The baking tray 22 has a cylindrical shape which is opened upward by mutual coupling of L-shaped first trays 22a and second trays 22b which are mutually symmetrical. In addition, the upper portion of the oven chamber 10 between the baking tray 22 and the upper kneading drum 12a has a pair of dough catching members to prevent the dough kneading in the baking material bag from leaving the upper region of the baking tray 22 ( 18) is installed. The projection-shaped grip portions 16 arranged in a line along the lengthwise direction of the dough drums 12a and 12b on one side of the dough drums 12a and 12b respectively grip the both ends of the baking material bag in which the baking material is accommodated. Fix the baking material bag to (12a, 12b).

And the heater 20 which heats the inside of the oven chamber 10 is provided in the upper and lower inner wall surfaces of the oven chamber 10, and the upper and lower inner wall surfaces of the door 5 which face the oven chamber 10. As shown in FIG. .

The component chamber 30 is formed of the first component chamber 28 formed on one side of the oven chamber 10 and the second component chamber 26 formed in the rear region of the oven chamber 10. As shown in FIG. 2, a drum drive part 36 for forward and reverse rotation of the upper and lower kneading drums 12a and 12b is provided in the first part chamber 28, and the upper part of the second part chamber 26 is provided. And a barcode reader section 24 for reading the barcode attached to the surface of the baking material bag wound on the lower kneading drums 12a and 12b.

The drum driving unit 36 connects the driving motor 34 to rotate the lower kneading drum 12b and the rotating shaft 38 of the lower kneading drum 12b and the upper kneading drum 12a to lower and upper kneading drum 12a. 12b) has an interlocking belt 32 for interlocking. In addition, the barcode reader unit 24 is installed to be in contact with and spaced apart from the outer circumferential surface of the upper kneading drum 12a.

On the other hand, the bread maker 1 includes a drum position detecting unit 40 for detecting a rotation position of at least one of the pair of dough drum (12a, 12b).

The drum position detecting unit 40 is provided with the rotating disks 46 and 48 coupled to the rotating shaft 38 of the upper kneading drum 12a and the rotating disk 42 adjacent to the rotating disk 42 in the component chamber 30. And a rotation position detecting sensor 44 which detects the rotation state of the 46 and 48 and outputs a pulse signal.

The rotating disk 42 has a first rotating disk 46 which transmits one rotation signal of the upper kneading drum 12a to the rotation position detecting sensor 44 in conjunction with the rotation of the upper kneading drum 12a, and the upper kneading. The second rotary disk 48 transmits a rotation signal of one rotation or less of the drum 12a to the rotation position detecting sensor 44.

The rotation position detecting sensor 44 includes a scanning unit scanning a sensing signal such as infrared rays toward the first rotating disk 46 and the second rotating disk 48, and the first and second rotating disks 46 and 48. It is a pulse generator having a light receiving unit is installed opposite the scanning unit with the circumferential edge of the receiving unit receives the sensing signal scanned from the scanning unit.

The sensing signal scanned by the scanning unit detects a signal transmitted and blocked to the light receiving unit, and outputs a pulse signal at a time when the upper dough drum 12a is rotated once.

Then, the pulse signal output from the rotation position sensor 44 is transmitted to the controller 56 to be described later, the controller 56 recognizes the rotation position of the upper kneading drum 12a based on this, in the kneading process By controlling the operation of the drum drive unit 36 for rotating the upper and lower dough drums 12a and 12b, the vertical reciprocating movement distance of the baking material bag is adjusted.

In addition, the bread maker 1 according to the present invention having such a configuration, as shown in the control block diagram of Figure 3, the door opening and closing detection unit 54 for detecting the opening and closing of the door 5, and provides time information And a timer 52, a heater driver 50 for supplying driving power to the heater 20, and a controller 56 for controlling them.

The door opening / closing detection unit 54 is preferably a switch interlocked with opening / closing of the door 5, and the opening / closing detection signal generated according to opening / closing of the door 5 is input to the controller 56.

The timer unit 52 is provided to the controller 56 by counting the opening time of the door 5 under the control of the controller 56 when the door 5 is opened.

The control unit 56 controls the drum drive unit 36 according to the user's barcode input selection through the function selection unit 7 so that the driving power is applied to the dough drum drive motor 34, thereby controlling the dough drum 12. Driven so that the baking material bag held in the dough drum 12 is wound. As the baking material bag is wound on the dough drum 12, the barcode attached to the baking material bag is read and read through the barcode reader unit 24. The control unit 56 controls the drum drive unit 36 according to a baking program such as a kneading time, fermentation time and temperature, a baking time and temperature, and steam generation input through the barcode reader unit 24 to knead the drum 12. While kneading the baking material accommodated in the baking material bag by driving the power supply to the heater 20 through the heater driving unit 50 to perform the fermentation and baking process.

Here, when it is determined that the door 5 is opened by the detection signal of the door opening and closing detecting unit 54, the control unit 56 controls the drum driving unit 36 and the heater driving unit 50 to knead the drum 12. And stopping the operation of the heater 20 and displaying a door opening message through the display unit 9 so that the user can recognize it. Thus, when the door 5 is opened, the dough drum 12 and the heater 20 continue to operate, thereby reducing the risk of waste of energy and safety accidents.

In addition to displaying the door opening message through the display unit 9 as a method for allowing the user to recognize the opening of the door 5, it is also possible to use a sound such as a buzzer sound. In this case, a simple sound circuit and a speaker are added to the bread maker 1, and the control unit 56 may transmit a warning sound through the speaker by generating a buzzer sound through the sound circuit unit.

When the controller 56 determines that a predetermined time has elapsed since the opening of the door 5 based on the opening time information of the door 5 provided from the timer 52, the heater driving unit 50 and the drum The driving unit 36 is controlled to stop the heater 20 and the dough drum 12 to terminate the baking process. Then, when it is determined that the baking material bag is wound in the dough drum 12, the dough drum 12 is rotated in the direction in which the baking material bag is released. That is, the dough drum 12 is rotated upward to separate the bottom of the baking material bag from the dough drum 12, and the dough drum 12 is initially baked to separate the top of the baking material bag from the dough drum 12. Rotate to the gripping position of the material bag. Thus, it is possible to return to the initial state by ending the baking process. Then, the door opening time elapsed message is displayed on the display unit 9 to inform the user that the baking process is automatically terminated due to the door opening timeout. Of course, it can also send a warning sound through the speaker.

On the other hand, the control unit 56 is the door 5 within a predetermined time after the opening of the door 5 by the open time information of the door 5 provided from the timer unit 52 and the open / close detection signal of the door open / close detection unit 54. If it is determined that the door closes, the remaining process is automatically performed.

Here, the control unit 56 includes a memory for storing the rotation position of the dough drum 12 sensed by the drum position detecting unit 40 when the operation of the dough drum 12 is stopped, the door 5 within a predetermined time If it is determined that the closing, from the rotational position of the drum drum 12 stored in the memory to control the drum driving unit 36 to operate the drum drum 12 to proceed with the remaining process.

In addition, the heater 20 performs an operation to reach the set temperature for a predetermined baking time, the baking time is constant, but the operation of the heater 20 is stopped by the door opening time may not be properly baked. . Thus, the controller 56 compensates for the door opening time to control the operation of the heater 20.

Control flow chart of the bread maker 1 having such a configuration is as shown in FIG. When the user intends to cook using the bread maker 1, first, the baking material bag is wound around the dough drum 12 so that a barcode attached to the baking material bag is input to the bread maker 1 (S10). The controller 56 receives the data of the barcode attached to the baking material bag through the barcode reader 24 (S12). Then, the controller 56 controls the drum drive unit 36 and the heater drive unit 50 according to the baking program included in the bar code data so that the dough drum 12 and the heater 20 are operated to perform the dough and baking process. (S14).

On the other hand, the control unit 56 determines the open state of the door 5 on the basis of the detection signal through the door opening and closing detection unit 54 during the dough or baking process (S16). As a result of the determination of the controller 56, when it is determined that the door 5 is opened, the controller 56 controls the drum driving unit 36 and the heater driving unit 50 to stop the operation of the dough drum 12 and the heater 20. ) And display the door opening message through the display unit 9 (S20).

Then, the controller 56 determines whether the opening of the door 5 has elapsed a predetermined time based on the door opening time information provided from the timer 52 (S22). When it is determined that the open state of the door 5 exceeds a predetermined time, the control unit 56 maintains the operation stop state of the heater 20 and the dough drum 12, and the baking rolled up in the baking material bag Automatically terminate the baking process by rotating the dough drum 12 in the direction in which the winding of the material bag is released, and displays the door opening time elapsed message through the display unit 9 (S26).

On the other hand, the control unit 56 is based on the door opening time information provided from the timer unit 52 and the detection signal of the door opening and closing detection unit 54, the door 5 is closed within a predetermined time after opening the door (5). It is determined (S24). As a result, when it is determined that the door 5 is closed within a predetermined time, the operation of the dough drum 12 and the heater 20, which has been stopped, is resumed to proceed with the remaining baking process (S28).

As described above, the present invention is to stop the operation of the heater and the dough drum when the door is opened during the baking process, thereby reducing the risk of safety accidents, it is possible to save energy.

As described above, according to the present invention, when the door is opened during the baking process, the operation of the heater and the kneading drum is stopped to reduce the risk of safety accidents, and a bakery and a method of controlling the same are provided.

Claims (10)

A main body forming an oven chamber having a front opening, a door for opening and closing the front opening, a pair of dough drums installed at predetermined distances from each other in the oven chamber, and a baking material bag containing a baking material wound therein; In the bread maker which has a drum drive part which drives a dough drum, the heater which heats the said baking material, and the heater drive part which supplies a driving power to the said heater, A door opening and closing detection unit detecting whether the door is opened or closed; And a control unit for controlling the drum driving unit and the heater driving unit to stop the operation of the dough drum and the heater when it is determined that the door is opened as a result of the detection through the door opening and closing detection unit. The method of claim 1, Further comprising a display unit provided on one side of the main body; The control unit, if it is determined that the door is opened as a result of the detection through the door opening and closing detection unit, characterized in that the display unit displays that the door is open. The method of claim 1, If it is determined that the door is closed within a predetermined time after opening the door, the control unit controls the heater driving unit and the drum driving unit to resume the operation of the heater and the dough drum to proceed with the remaining process. Bread maker. The method of claim 1, And the control unit displays a door opening time elapsed message on the display unit when it is determined that a predetermined time has elapsed since the opening of the door. The method according to any one of claims 1 to 4, The control unit, when it is determined that a predetermined time has passed after the opening of the door, characterized in that for controlling the drum driving unit so that the dough drum is rotated in the direction in which the baking material bag wound on the dough drum is unwound Bread maker. A main body forming an oven chamber having a front opening, a door for opening and closing the front opening, a pair of dough drums installed at predetermined distances from each other in the oven chamber, and a baking material bag containing a baking material wound therein; In the control method of the bakery machine which has a drum drive part which drives a dough drum, the heater which heats the said baking material, and the heater drive part which supplies a driving power to the said heater, Detecting whether the door is opened or closed; And if it is determined that the door is open, controlling the drum driving unit and the heater driving unit to stop the operation of the dough drum and the heater. The method of claim 6, If it is determined that the door is opened, the control method of the bread machine further comprising indicating that the door is open. The method of claim 6, If it is determined that the door is closed within a predetermined time after the opening of the door, the heater and the drum driving unit is further controlled so that the operation of the heater and the dough drum is resumed to proceed with the remaining process. Control method of the bread maker. The method of claim 6, If it is determined that a predetermined time has elapsed since the opening of the door, the control method of the bread machine further comprising displaying a door opening time elapsed message. The method according to any one of claims 6 to 9, If it is determined that a predetermined time has elapsed since the opening of the door, the drum driving unit is further controlled so that the dough drum is rotated in a direction in which the baking material bag wound on the dough drum is unwound. Control method of the bread maker.